1) In hypergeometric experiments random variable is?

a) success in the sample

b) success in the trial

c) failure in the sample

d) failure in the trial

2) "The average number of acres burned by forest and range fires in a large New Mexico county is 4,300 acres per year, with a standard deviation of 750 acres. The distribution of the number of acres burned is normal. What is the probability that between 2,500 and 4,200 acres will be burned in any given year?"

a) 75.00%

b) 51.00%

c) 22.40%

d) 44.01%

3) "For an ANOVA to be conducted, how many dependent variables there must be?"

a) 1 continuous variable

b) 3 ordinal variables

c) 2 nominal variable

d) 3 ratio variables

4) In a standard normal distribution the probability given in the table corresponding the z value -0.53 is

a) 0.2981

b) 0.2933

c) -0.2981

d) answer not given